
M I T S U B I S H I
-10
MITSUBISHI ICs (AV COMMON)
M52791SP/FP
AV SWITCH with I2C BUS CONTROL
AUG.'98
PRELIMINARY
Notice. This is not a final specification.
Some parametric limits are subject to change.
DESCRIPTION
PIN CONFIGURATION ( TOP VIEW )
FEATURES
Video and stereo sound switches in one package
Wide frequency range ( video switch )..........DC~20MHz
High separation ( video switch )
.......Crosstalk -60dB ( typ. ) at 1MHz
Two types of packages are provided : SDIP with a lead pitch of
1.778mm ( M52791SP ) ; and SSOP with a lead pitch of 0.8mm
( M52791FP ) .
APPLICATION
Video equipment
RECOMMENDED OPERATING CONDITION
Supply voltage
4.7V ~ 9.3V
Rated supply voltage
5V,9V
Maximum output current 49mA(at 9V)
1
Outline 36P4E
(Lead pitch :1.778mm)
PIN CONFIGURATION ( TOP VIEW )
Outline 36P2R-D
(Lead pitch :0.8mm)
The M52791 is AV switch semiconductor integrated circuit with
I2C bus control .
This IC contains 1-channel of 4-input audio switches and 1-
channel of 4-input video switches. Each audio switches and
video switches can be controled independently .
The video switches contain amplifiers can be controled a gain of
output 0dB or 6dB .
1
2
3
4
5
6
7
15
14
13
12
11
10
9
TUNER IN
Lch T IN
C IN
DA
Rch T IN
Y IN
Y/C SEPA
BIAS
Y 2 IN
V 1 OUT
Lch 1 OUT
C 1OUT
Rch 1 OUT
Y 1 OUT
Y 2 OUT
V 2 OUT
C 2 OUT
CHIP SELECT
SDA
8
16
VIDEO 2 IN
Lch 2 IN
C 2 IN
Rch 2 IN
SCL
GND
VCC
Y 3 IN
VIDEO 3 IN
Lch 3 IN
C 3 IN
Rch 3 IN
Lch 4 IN
C 4 IN
Rch 4 IN
Y 4 IN
VIDEO 4 IN
17
18
36
35
34
33
32
31
30
22
23
24
25
26
27
28
29
21
20
19
1
2
3
4
5
6
7
15
14
13
12
11
10
9
8
16
17
18
36
35
34
33
32
31
30
22
23
24
25
26
27
28
29
21
20
19
TUNER IN
Lch T IN
C IN
DA
Rch T IN
Y IN
Y/C SEPA
BIAS
Y 2 IN
V 1 OUT
Lch 1 OUT
C 1OUT
Rch 1 OUT
Y 1 OUT
Y 2 OUT
V 2 OUT
C 2 OUT
CHIP SELECT
SDA
VIDEO 2 IN
Lch 2 IN
C 2 IN
Rch 2 IN
SCL
GND
VCC
Y 3 IN
VIDEO 3 IN
Lch 3 IN
C 3 IN
Rch 3 IN
Lch 4 IN
C 4 IN
Rch 4 IN
Y 4 IN
VIDEO 4 IN